1 files changed, 5 insertions, 2 deletions
diff --git a/registry/vkconventions.py b/registry/vkconventions.py
index 1d3f632..823c070 100644
--- a/registry/vkconventions.py
+++ b/registry/vkconventions.py
@@ -10,8 +10,7 @@
 import re
 import os
 
-from conventions import ConventionsBase
-
+from spec_tools.conventions import ConventionsBase
 
 # Modified from default implementation - see category_requires_validation() below
 CATEGORIES_REQUIRING_VALIDATION = set(('handle', 'enum', 'bitmask'))
@@ -51,6 +50,10 @@ class VulkanConventions(ConventionsBase):
         """Preferred spelling of NULL."""
         return '`NULL`'
 
+    def formatExtension(self, name):
+        """Mark up an extension name as a link the spec."""
+        return '`apiext:{}`'.format(name)
+
     @property
     def struct_macro(self):
         """Get the appropriate format macro for a structure.